enc_functions.js

灵活强大的会员系统轻松构建互动应用

		if (document.selection.type != "Control") {
                          var elem = document.selection.createRange().parentElement()
                          while (elem.tagName.toUpperCase() != "OL" && elem.tagName.toUpperCase() != "UL")
                          {
                            elem = elem.parentElement
                            if (elem == null)
                              break
                          }
				if (elem) {
					return true
				}
		}
	} // End function

	// toggle guidelines
	function toggleBorders() {
		var allForms = foo.document.body.getElementsByTagName("FORM");
		var allInputs = foo.document.body.getElementsByTagName("INPUT");
		var allTables = foo.document.body.getElementsByTagName("TABLE");
		var allLinks = foo.document.body.getElementsByTagName("A");

		if (document.getElementById("guidelines"))
		{

			if (borderShown == "no")
			{
				button_down(document.getElementById("guidelines"))
			} else {
				button_out(document.getElementById("guidelines"))
			}

		}

		// Do forms
		for (a=0; a < allForms.length; a++) {
			if (borderShown == "no") {
				allForms[a].runtimeStyle.border = "1px dotted #FF0000"
			} else {
				allForms[a].runtimeStyle.cssText = ""
			}
		}

		// Do Objects
		var allObjects = foo.document.body.getElementsByTagName("OBJECT");
		for (a=0; a < allObjects.length; a++) {
			if (borderShown == "no") {
				allObjects[a].runtimeStyle.border = "1px dotted #0000FF"
			} else {
				allObjects[a].runtimeStyle.cssText = ""
			}
		}

		// Do hidden fields
		for (b=0; b < allInputs.length; b++) {
			if (borderShown == "no") {
				if (allInputs[b].type.toUpperCase() == "HIDDEN") {
					allInputs[b].runtimeStyle.border = "0px"
					allInputs[b].runtimeStyle.width = "20px"
					allInputs[b].runtimeStyle.height = "20px"
					allInputs[b].runtimeStyle.backgroundImage = "url(" + deveditPath1 + "/de_images/hidden.gif)"
					allInputs[b].runtimeStyle.fontSize = "99px"
				}
			} else {
				if (allInputs[b].type.toUpperCase() == "HIDDEN")
					allInputs[b].runtimeStyle.cssText = ""
			}
		}

		// Do tables
		for (i=0; i < allTables.length; i++) {
				if (borderShown == "no") {
					allTables[i].runtimeStyle.border = "1px dotted #BFBFBF"
				} else {
					allTables[i].runtimeStyle.cssText = ""
				}

				allRows = allTables[i].rows
				for (y=0; y < allRows.length; y++) {
				 	allCellsInRow = allRows[y].cells
						for (x=0; x < allCellsInRow.length; x++) {
							if (borderShown == "no") {
								allCellsInRow[x].runtimeStyle.border = "1px dotted #BFBFBF"
							} else {
								allCellsInRow[x].runtimeStyle.cssText = ""
							}
						}
				}
		}

		// Do anchors
		for (a=0; a < allLinks.length; a++) {
			if (borderShown == "no") {
				if (allLinks[a].href.toUpperCase() == "") {
					allLinks[a].runtimeStyle.width = "20px"
					allLinks[a].runtimeStyle.height = "20px"
					allLinks[a].runtimeStyle.textIndent  = "20px"
					allLinks[a].runtimeStyle.backgroundRepeat  = "no-repeat"
					allLinks[a].runtimeStyle.backgroundImage = "url(" + deveditPath1 + "/de_images/anchor.gif)"
				}
			} else {
				allLinks[a].runtimeStyle.cssText = ""		
			}
		}

		if (borderShown == "no") {
			borderShown = "yes"
		} else {
			borderShown = "no"
		}

		scrollUp()
	}

// Begin spell check functions

/* word object that stores the id, word and the bookmark */
var arr, rng;

/* word object that stores the id, word and the bookmark */
function oWord(pos, wrd, bkmrk){
    this.id = pos;
    this.word = wrd;
    this.bookmark = bkmrk;
    this.getWord = getWord;
    this.fixWord = fixWord;
}

function getWord(){
    var r=foo.document.body.createTextRange();
    r.move("word",this.id);
    r.moveEnd("word",1);
    if(r.text.match(/[\ \n\r]+$/)) r.moveEnd("character",-1); // strip out any trailing line feeds and spaces
    r.select();
    return true;
}

function fixWord(wrd, num){
    var r=foo.document.body.createTextRange();
    r.move("word",this.id);
    r.moveEnd("word",1);
    if(r.text.match(/[\ \n\r]+$/)) r.moveEnd("character",-1); // strip out any trailing line feeds and spaces
    r.text = wrd;

    for(i=this.id;i<arr.length;i++) arr[i].id = arr[i].id + (num - 1);     // update word positioning
    return true;
}

function getRange(){
    var sr = null;
    if(foo.document.selection.type.toLowerCase() == "text"){
        sr = foo.document.selection.createRange();
    } else {
        sr = foo.document.body.createTextRange();
    }
    return sr;
}

function getWords(){
    var sr = null;
    if(foo.document.selection.type.toLowerCase() == "text"){
        sr = foo.document.selection.createRange();
        sr.expand("word");
        sr.select();
    };

    var r=foo.document.body.createTextRange();
    // get first word
    r.move("word",0);
    rEnd = r.expand("word");
    var wordpos=0;
    var idpos=0;
    var wordblock="";
    var aWords = new Array();
    // loop until I run out of words
    while(rEnd){
        if(r.text.match(/[\ \n\r]+$/)) r.moveEnd("character",-1); // strip out any trailing line feeds and spaces
        t=r.text; // grab the text
        if((t!="." || t!="!" || t!="?") && (rEnd!=0 && t.match("[A-Za-z]"))) {
            if((sr!=null)?sr.inRange(r):true){
                r.collapse();
                aWords[idpos] = new oWord(wordpos, t, r.getBookmark());
                idpos++;
            }
        }

        /* grab the next word */
        r.move("word",1);
        rEnd = r.expand("word");
        wordpos++;
    }
    return aWords;
}

// End spell check functions

// Undo / Redo fix
var history = new Object;

history.data = []
history.position = 0
history.bookmark = []
history.max = 30

function saveHistory(incPosition) {

	if (editModeOn == true)
	{

		if (history.data[history.data.length -1] != foo.document.documentElement.outerHTML)
		{

			for(i = history.data.length - 1; i >= history.position + 1; --i)
			{
				history.data.pop();
				history.bookmark.pop();
			}


			history.data[history.data.length] = foo.document.documentElement.outerHTML

			if (foo.document.selection.type != "Control")
			{
				history.bookmark[history.bookmark.length] = foo.document.selection.createRange().getBookmark()
			} else {
				oControl = foo.document.selection.createRange()
				history.bookmark[history.bookmark.length] = oControl(0)
			}

			if (!incPosition)
			{
				history.position++
			}
		}

		showUndoRedo()
	}
}

function goHistory(value) {

		// undo
		if (value == -1)
		{
			if (history.position == history.data.length)
			{
				saveHistory(true)
			}
	
			if (history.position != 0)
			{
				foo.document.write(history.data[--history.position])
				foo.document.close()
				setHistoryCursor()
			}


		// redo
		} else {

			if (history.position < history.data.length -1)
			{
				foo.document.write(history.data[++history.position])
				foo.document.close()
				setHistoryCursor()
			}
		}

		showUndoRedo()
}

function setHistoryCursor() {

	toggleBorders()
	toggleBorders()
	initFoo();

	if (history.bookmark[history.position])
	{
		r = foo.document.body.createTextRange()
		if (history.bookmark[history.position] != "[object]")
		{
			if (r.moveToBookmark(history.bookmark[history.position]))
			{
			r.collapse(false)

			doSave = 1
			r.select();
			doSave = 0
			}
		}
	}
}
// End Undo / Redo Fix

function showUndoRedo() {

	if (editModeOn == true)
	{

		var buttonUndoOn = document.getElementById("undo_on")
		var buttonUndoOff = document.getElementById("undo_off")

		if (history.data.length <= 1 || history.position <= 0)
		{
			buttonUndoOff.style.display = "inline"
			buttonUndoOn.style.display = "none"
		} else {
			buttonUndoOff.style.display = "none"
			buttonUndoOn.style.display = "inline"
		}

		var buttonRedoOn = document.getElementById("redo_on")
		var buttonRedoOff = document.getElementById("redo_off")
		
		if (history.position >= history.data.length-1 || history.data.length == 0)
		{
			buttonRedoOff.style.display = "inline"
			buttonRedoOn.style.display = "none"
		} else {
			buttonRedoOff.style.display = "none"
			buttonRedoOn.style.display = "inline"
		}
	
	} else {

		var buttonUndo2On = document.getElementById("undo2_on")
		var buttonUndo2Off = document.getElementById("undo2_off")

		if (!foo.document.queryCommandEnabled("undo"))
		{
			buttonUndo2Off.style.display = "inline"
			buttonUndo2On.style.display = "none"
		} else {
			buttonUndo2Off.style.display = "none"
			buttonUndo2On.style.display = "inline"
		}

		var buttonRedo2On = document.getElementById("redo2_on")
		var buttonRedo2Off = document.getElementById("redo2_off")

		if (!foo.document.queryCommandEnabled("redo"))
		{
			buttonRedo2Off.style.display = "inline"
			buttonRedo2On.style.display = "none"
		} else {
			buttonRedo2Off.style.display = "none"
			buttonRedo2On.style.display = "inline"
		}
	}
}

var fullscreenMode = false
function toggleSize() {

	if (!fullscreenMode)
	{
		parent.document.getElementById(controlName).runtimeStyle.position = "Absolute"
		parent.document.getElementById(controlName).runtimeStyle.zIndex = "999"
		parent.document.getElementById(controlName).runtimeStyle.posTop = 10
		parent.document.getElementById(controlName).runtimeStyle.posLeft = 10
		parent.document.getElementById(controlName).runtimeStyle.width = parent.document.body.clientWidth - 15
		parent.document.getElementById(controlName).runtimeStyle.height = parent.document.body.offsetHeight - 30
		parent.document.getElementById(controlName).focus()
		button_down(document.getElementById("fullscreen"))
		button_down(document.getElementById("fullscreen2"))
		fullscreenMode = true
	} else {
		parent.document.getElementById(controlName).runtimeStyle.cssText = ""
		parent.document.getElementById(controlName).focus()
		button_out(document.getElementById("fullscreen"))
		button_out(document.getElementById("fullscreen2"))
		fullscreenMode = false
	}
}